Overconfidence?

Abstract

Many studies have shown that people display an apparent overconfidence. In particular, it is common for a majority of people to describe themselves as better than average. The literature takes for granted that this better-than-average effect is problematic. We argue, however, that, even accepting these studies completely on their own terms, there is nothing at all wrong with a strict majority of people rating themselves above the median.

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Moore, D. (2007), "Not so above average after all: When people believe they are worse than average and its impications for theories of bias in social comparison," Organizational Behavior and Human Decision Processes, 102(1), pp 42-58.